Combs was shot and killed behind the Kroger on Hubbards Lane in late November.

According to police, Cross and Combs worked together at that Kroger store.

In addition to murder, Cross was charged with two counts of robbery, fleeing and evading police, tampering with physical evidence and trafficking in marijuana.

Police said Cross was already at Louisville Metro Corrections, charged in connection with a different robbery.

Kroger released a statement after the arrest that said, "The entire Kroger family remains saddened by the loss of our co-worker, Jack Combs. We have been working closely with the St. Matthew's Police Department and providing information to assist with their investigation. This is clearly a police matter and Kroger will have no further comment on what is an ongoing investigation. Kroger expresses our appreciation to the St. Matthew's Police Department, and to the community for its outpouring of support."